diff options
| -rw-r--r-- | toys.h | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -54,16 +54,21 @@ struct toy_list *toy_find(char *name); void toy_init(struct toy_list *which, char *argv[]); void toy_exec(char *argv[]); -// List of available applets +// Flags describing applet behavior. #define TOYFLAG_USR (1<<0) #define TOYFLAG_BIN (1<<1) #define TOYFLAG_SBIN (1<<2) #define TOYMASK_LOCATION ((1<<4)-1) +// This is a shell built-in function, running in the same process context. #define TOYFLAG_NOFORK (1<<4) + +// Start applet with a umask of 0 (saves old umask in this.old_umask) #define TOYFLAG_UMASK (1<<5) +// Array of available applets + extern struct toy_list { char *name; void (*toy_main)(void); @@ -71,7 +76,7 @@ extern struct toy_list { int flags; } toy_list[]; -// Global context for any applet. +// Global context shared by all applets. extern struct toy_context { struct toy_list *which; // Which entry in toy_list is this one? @@ -80,8 +85,8 @@ extern struct toy_context { unsigned optflags; // Command line option flags from get_optflags() char **optargs; // Arguments left over from get_optflags() int optc; // Count of optargs - int exithelp; // Should error_exit print a usage message first? (Option parsing.) - int old_umask; + int exithelp; // Should error_exit print a usage message first? + int old_umask; // Old umask preserved by TOYFLAG_UMASK } toys; // One big temporary buffer, for use by applets (not library functions). |